Add initial support for ZWave JS (#1766)

* Add initial support for ZWave JS

* fix version

* fix lint

* Apply suggestions from code review

Co-authored-by: Martin Hjelmare <marhje52@gmail.com>
Co-authored-by: Charles Garwood <cgarwood@gmail.com>

* Apply suggestions from code review

Co-authored-by: Martin Hjelmare <marhje52@gmail.com>

* Update zwave_js/config.json

Co-authored-by: Franck Nijhof <git@frenck.dev>

* Address comments

* Fix install for all archs

* make lint happy

* Fix build

* fix comment

* Fix and clean zwave_js add-on (#1780)

* Use new bashio feature

* address ozw

* update docs

* Add debug support

* fix template

* Fix lint

Co-authored-by: Martin Hjelmare <marhje52@gmail.com>
Co-authored-by: Charles Garwood <cgarwood@gmail.com>
Co-authored-by: Franck Nijhof <git@frenck.dev>

zwave_js/rootfs/etc/cont-init.d/config.sh

@@ -0,0 +1,40 @@
+#!/usr/bin/with-contenv bashio
+# ==============================================================================
+# Generate Z-Wave JS config file
+# ==============================================================================
+declare network_key
+
+readonly DOCS_EXAMPLE_KEY="2232666D100F795E5BB17F0A1BB7A146"
+
+if [[ "${DOCS_EXAMPLE_KEY}" == "$(bashio::config 'network_key')" ]]; then
+    bashio::log.fatal
+    bashio::log.fatal 'The add-on detected that the Z-Wave network key used'
+    bashio::log.fatal 'is from the documented example.'
+    bashio::log.fatal
+    bashio::log.fatal 'Using this key is insecure, because it is publicly'
+    bashio::log.fatal 'listed in the documentation.'
+    bashio::log.fatal
+    bashio::log.fatal 'Please check the add-on documentation on how to'
+    bashio::log.fatal 'create your own, secret, "network_key" and replace'
+    bashio::log.fatal 'the one you have configured.'
+    bashio::log.fatal
+    bashio::log.fatal 'Click on the "Documentation" tab in the Z-Wave JS'
+    bashio::log.fatal 'add-on panel for more information.'
+    bashio::log.fatal
+    bashio::exit.nok
+elif ! bashio::config.has_value 'network_key'; then
+    bashio::log.info "No Network Key is set, generate one..."
+    network_key=$(hexdump -n 16 -e '4/4 "%08X" 1 "\n"' /dev/random)
+    bashio::addon.option network_key "${network_key}"
+else
+    network_key=$(bashio::config 'network_key')
+fi
+
+
+# Generate config
+bashio::var.json \
+    network_key "${network_key}" \
+    logging "$(bashio::info.logging)" \
+    | tempio \
+        -template /usr/share/tempio/zwave_config.conf \
+        -out /etc/zwave_config.json

zwave_js/rootfs/etc/cont-init.d/structure.sh

@@ -0,0 +1,5 @@
+#!/usr/bin/with-contenv bashio
+# ==============================================================================
+# Setup folder structure
+# ==============================================================================
+mkdir -p /data/cache

zwave_js/rootfs/etc/services.d/zwave_js/discovery

@@ -0,0 +1,18 @@
+#!/usr/bin/with-contenv bashio
+# ==============================================================================
+# Send zwave_js discovery information to Home Assistant
+# ==============================================================================
+declare ha_config
+
+# Prepare discovery payload
+ha_config=$(\
+    bashio::var.json \
+        host "$(hostname)" \
+        port "^3000" \
+)
+
+if bashio::discovery "zwave_js" "${ha_config}" > /dev/null; then
+    bashio::log.info "Successfully send discovery information to Home Assistant."
+else
+    bashio::log.error "Discovery message to Home Assistant failed!"
+fi

zwave_js/rootfs/etc/services.d/zwave_js/finish

@@ -0,0 +1,8 @@
+#!/usr/bin/execlineb -S1
+# ==============================================================================
+# Take down the S6 supervision tree when Z-Wave JS fails
+# ==============================================================================
+if { s6-test ${1} -ne 0 }
+if { s6-test ${1} -ne 256 }
+
+s6-svscanctl -t /var/run/s6/services

zwave_js/rootfs/etc/services.d/zwave_js/run

@@ -0,0 +1,16 @@
+#!/usr/bin/with-contenv bashio
+# ==============================================================================
+# Start Z-Wave JS service for Z-Wave radio
+# ==============================================================================
+SERIAL_DEVICE=$(bashio::config 'device')
+
+# Emulate serial Hardware for test & development
+if bashio::config.true 'emulate_hardware'; then
+    SERIAL_DEVICE="--mock"
+fi
+
+# Send out discovery information to Home Assistant
+./discovery &
+
+# Run daemon
+exec zwave-server ${SERIAL_DEVICE} --config /etc/zwave_config.json

zwave_js/rootfs/usr/share/tempio/zwave_config.conf

@@ -0,0 +1,12 @@
+{
+    "logConfig": {
+        "enabled": true,
+        "level": {{ if eq .logging "debug" }}5{{ else }}2{{ end }},
+        "forceConsole": true
+    },
+    "storage": {
+        "cacheDir": "/data/cache",
+        "throttle": "slow"
+    },
+    "networkKey": "{{ .network_key }}"
+}